Deprecated Opus 4 snapshot — migrate to Opus 4.7 per Anthropic guidance.
Model details →Claude Opus 4 vs DeepSeek V4 Flash
Claude Opus 4 and DeepSeek V4 Flash are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
DeepSeek V4 Flash — 1M context, thinking and non-thinking modes; see DeepSeek pricing/docs for current capabilities.
Model details →Side-by-side comparison
| Capability | Claude Opus 4 | DeepSeek V4 Flash | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 1M | 🏆 DeepSeek V4 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | Custom | Custom | — |
| Output price (per 1M) Cost per million output tokens billed by the provider. | Custom | Custom | — |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Claude Opus 4 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Claude Opus 4 better than DeepSeek V4 Flash?
Claude Opus 4 and DeepSeek V4 Flash are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Claude Opus 4 and DeepSeek V4 Flash?
Input: Custom vs Custom per 1M tokens. Output: Custom vs Custom per 1M tokens.
What context windows do Claude Opus 4 and DeepSeek V4 Flash support?
Claude Opus 4 supports up to 200K tokens. DeepSeek V4 Flash supports up to 1M tokens.
Do both Claude Opus 4 and DeepSeek V4 Flash support tool calling?
Claude Opus 4: not advertised. DeepSeek V4 Flash: not advertised.